Algebra Examples

${(3 x)}^{- 3}$

Step 1

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{1}{{(3 x)}^{3}}$

Step 2

Simplify the denominator.

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Step 2.1

Apply the product rule to $3 x$ .

$\frac{1}{3^{3} x^{3}}$

Step 2.2

Raise $3$ to the power of $3$ .

$\frac{1}{27 x^{3}}$